391331976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1877}}^1$

素因数の和:1983

約数の個数: 128

約数和(自身を含む): 1200718080

約数和(自身を除く): 809386104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 73, 84, 102, 119, 136, 146, 168, 204, 219, 238, 292, 357, 408, 438, 476, 511, 584, 714, 876, 952, 1022, 1241, 1428, 1533, 1752, 1877, 2044, 2482, 2856, 3066, 3723, 3754, 4088, 4964, 5631, 6132, 7446, 7508, 8687, 9928, 11262, 12264, 13139, 14892, 15016, 17374, 22524, 26061, 26278, 29784, 31909, 34748, 39417, 45048, 52122, 52556, 63818, 69496, 78834, 95727, 104244, 105112, 127636, 137021, 157668, 191454, 208488, 223363, 255272, 274042, 315336, 382908, 411063, 446726, 548084, 670089, 765816, 822126, 893452, 959147, 1096168, 1340178, 1644252, 1786904, 1918294, 2329357, 2680356, 2877441, 3288504, 3836588, 4658714, 5360712, 5754882, 6988071, 7673176, 9317428, 11509764, 13976142, 16305499, 18634856, 23019528, 27952284, 32610998, 48916497, 55904568, 65221996, 97832994, 130443992, 195665988, 391331976]

約数ペア:

[(1, 391331976), (2, 195665988), (3, 130443992), (4, 97832994), (6, 65221996), (7, 55904568), (8, 48916497), (12, 32610998), (14, 27952284), (17, 23019528), (21, 18634856), (24, 16305499), (28, 13976142), (34, 11509764), (42, 9317428), (51, 7673176), (56, 6988071), (68, 5754882), (73, 5360712), (84, 4658714), (102, 3836588), (119, 3288504), (136, 2877441), (146, 2680356), (168, 2329357), (204, 1918294), (219, 1786904), (238, 1644252), (292, 1340178), (357, 1096168), (408, 959147), (438, 893452), (476, 822126), (511, 765816), (584, 670089), (714, 548084), (876, 446726), (952, 411063), (1022, 382908), (1241, 315336), (1428, 274042), (1533, 255272), (1752, 223363), (1877, 208488), (2044, 191454), (2482, 157668), (2856, 137021), (3066, 127636), (3723, 105112), (3754, 104244), (4088, 95727), (4964, 78834), (5631, 69496), (6132, 63818), (7446, 52556), (7508, 52122), (8687, 45048), (9928, 39417), (11262, 34748), (12264, 31909), (13139, 29784), (14892, 26278), (15016, 26061), (17374, 22524)]