391080872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 959476320

約数和(自身を除く): 568395448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 43, 52, 56, 62, 86, 91, 104, 124, 169, 172, 182, 217, 248, 301, 338, 344, 364, 403, 434, 559, 602, 676, 728, 806, 868, 961, 1118, 1183, 1204, 1333, 1352, 1612, 1736, 1922, 2236, 2366, 2408, 2666, 2821, 3224, 3844, 3913, 4472, 4732, 5239, 5332, 5642, 6727, 7267, 7688, 7826, 9331, 9464, 10478, 10664, 11284, 12493, 13454, 14534, 15652, 17329, 18662, 20956, 22568, 24986, 26908, 29068, 31304, 34658, 36673, 37324, 41323, 41912, 49972, 50869, 53816, 58136, 69316, 73346, 74648, 82646, 87451, 99944, 101738, 121303, 138632, 146692, 162409, 165292, 174902, 203476, 225277, 242606, 289261, 293384, 324818, 330584, 349804, 406952, 450554, 485212, 537199, 578522, 649636, 699608, 901108, 970424, 1074398, 1136863, 1157044, 1299272, 1576939, 1802216, 2148796, 2273726, 2314088, 3153878, 3760393, 4297592, 4547452, 6307756, 6983587, 7520786, 9094904, 12615512, 13967174, 15041572, 27934348, 30083144, 48885109, 55868696, 97770218, 195540436, 391080872]

約数ペア:

[(1, 391080872), (2, 195540436), (4, 97770218), (7, 55868696), (8, 48885109), (13, 30083144), (14, 27934348), (26, 15041572), (28, 13967174), (31, 12615512), (43, 9094904), (52, 7520786), (56, 6983587), (62, 6307756), (86, 4547452), (91, 4297592), (104, 3760393), (124, 3153878), (169, 2314088), (172, 2273726), (182, 2148796), (217, 1802216), (248, 1576939), (301, 1299272), (338, 1157044), (344, 1136863), (364, 1074398), (403, 970424), (434, 901108), (559, 699608), (602, 649636), (676, 578522), (728, 537199), (806, 485212), (868, 450554), (961, 406952), (1118, 349804), (1183, 330584), (1204, 324818), (1333, 293384), (1352, 289261), (1612, 242606), (1736, 225277), (1922, 203476), (2236, 174902), (2366, 165292), (2408, 162409), (2666, 146692), (2821, 138632), (3224, 121303), (3844, 101738), (3913, 99944), (4472, 87451), (4732, 82646), (5239, 74648), (5332, 73346), (5642, 69316), (6727, 58136), (7267, 53816), (7688, 50869), (7826, 49972), (9331, 41912), (9464, 41323), (10478, 37324), (10664, 36673), (11284, 34658), (12493, 31304), (13454, 29068), (14534, 26908), (15652, 24986), (17329, 22568), (18662, 20956)]