208603668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 637341824

約数和(自身を除く): 428738156

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 119, 156, 182, 204, 221, 238, 273, 289, 357, 364, 442, 476, 546, 578, 661, 663, 714, 867, 884, 1092, 1156, 1322, 1326, 1428, 1547, 1734, 1983, 2023, 2644, 2652, 3094, 3468, 3757, 3966, 4046, 4627, 4641, 6069, 6188, 7514, 7932, 8092, 8593, 9254, 9282, 11237, 11271, 12138, 13881, 15028, 17186, 18508, 18564, 22474, 22542, 24276, 25779, 26299, 27762, 33711, 34372, 44948, 45084, 51558, 52598, 55524, 60151, 67422, 78659, 78897, 103116, 105196, 120302, 134844, 146081, 157318, 157794, 180453, 191029, 235977, 240604, 292162, 314636, 315588, 360906, 382058, 438243, 471954, 573087, 584324, 721812, 764116, 876486, 943908, 1022567, 1146174, 1337203, 1752972, 2045134, 2292348, 2483377, 2674406, 3067701, 4011609, 4090268, 4966754, 5348812, 6135402, 7450131, 8023218, 9933508, 12270804, 14900262, 16046436, 17383639, 29800524, 34767278, 52150917, 69534556, 104301834, 208603668]

約数ペア:

[(1, 208603668), (2, 104301834), (3, 69534556), (4, 52150917), (6, 34767278), (7, 29800524), (12, 17383639), (13, 16046436), (14, 14900262), (17, 12270804), (21, 9933508), (26, 8023218), (28, 7450131), (34, 6135402), (39, 5348812), (42, 4966754), (51, 4090268), (52, 4011609), (68, 3067701), (78, 2674406), (84, 2483377), (91, 2292348), (102, 2045134), (119, 1752972), (156, 1337203), (182, 1146174), (204, 1022567), (221, 943908), (238, 876486), (273, 764116), (289, 721812), (357, 584324), (364, 573087), (442, 471954), (476, 438243), (546, 382058), (578, 360906), (661, 315588), (663, 314636), (714, 292162), (867, 240604), (884, 235977), (1092, 191029), (1156, 180453), (1322, 157794), (1326, 157318), (1428, 146081), (1547, 134844), (1734, 120302), (1983, 105196), (2023, 103116), (2644, 78897), (2652, 78659), (3094, 67422), (3468, 60151), (3757, 55524), (3966, 52598), (4046, 51558), (4627, 45084), (4641, 44948), (6069, 34372), (6188, 33711), (7514, 27762), (7932, 26299), (8092, 25779), (8593, 24276), (9254, 22542), (9282, 22474), (11237, 18564), (11271, 18508), (12138, 17186), (13881, 15028)]