28018082988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{217579}}^1$

素因数の和:217676

約数の個数: 108

約数和(自身を含む): 83515472040

約数和(自身を除く): 55497389052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 196, 219, 252, 292, 294, 438, 441, 511, 588, 657, 876, 882, 1022, 1314, 1533, 1764, 2044, 2628, 3066, 3577, 4599, 6132, 7154, 9198, 10731, 14308, 18396, 21462, 32193, 42924, 64386, 128772, 217579, 435158, 652737, 870316, 1305474, 1523053, 1958211, 2610948, 3046106, 3916422, 4569159, 6092212, 7832844, 9138318, 10661371, 13707477, 15883267, 18276636, 21322742, 27414954, 31766534, 31984113, 42645484, 47649801, 54829908, 63533068, 63968226, 95299602, 95952339, 111182869, 127936452, 142949403, 190599204, 191904678, 222365738, 285898806, 333548607, 383809356, 444731476, 571797612, 667097214, 778280083, 1000645821, 1334194428, 1556560166, 2001291642, 2334840249, 3113120332, 4002583284, 4669680498, 7004520747, 9339360996, 14009041494, 28018082988]

約数ペア:

[(1, 28018082988), (2, 14009041494), (3, 9339360996), (4, 7004520747), (6, 4669680498), (7, 4002583284), (9, 3113120332), (12, 2334840249), (14, 2001291642), (18, 1556560166), (21, 1334194428), (28, 1000645821), (36, 778280083), (42, 667097214), (49, 571797612), (63, 444731476), (73, 383809356), (84, 333548607), (98, 285898806), (126, 222365738), (146, 191904678), (147, 190599204), (196, 142949403), (219, 127936452), (252, 111182869), (292, 95952339), (294, 95299602), (438, 63968226), (441, 63533068), (511, 54829908), (588, 47649801), (657, 42645484), (876, 31984113), (882, 31766534), (1022, 27414954), (1314, 21322742), (1533, 18276636), (1764, 15883267), (2044, 13707477), (2628, 10661371), (3066, 9138318), (3577, 7832844), (4599, 6092212), (6132, 4569159), (7154, 3916422), (9198, 3046106), (10731, 2610948), (14308, 1958211), (18396, 1523053), (21462, 1305474), (32193, 870316), (42924, 652737), (64386, 435158), (128772, 217579)]