15981108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 44782080

約数和(自身を除く): 28800972

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 67, 78, 132, 134, 139, 143, 156, 201, 268, 278, 286, 402, 417, 429, 556, 572, 737, 804, 834, 858, 871, 1474, 1529, 1668, 1716, 1742, 1807, 2211, 2613, 2948, 3058, 3484, 3614, 4422, 4587, 5226, 5421, 6116, 7228, 8844, 9174, 9313, 9581, 10452, 10842, 18348, 18626, 19162, 19877, 21684, 27939, 28743, 37252, 38324, 39754, 55878, 57486, 59631, 79508, 102443, 111756, 114972, 119262, 121069, 204886, 238524, 242138, 307329, 363207, 409772, 484276, 614658, 726414, 1229316, 1331759, 1452828, 2663518, 3995277, 5327036, 7990554, 15981108]

約数ペア:

[(1, 15981108), (2, 7990554), (3, 5327036), (4, 3995277), (6, 2663518), (11, 1452828), (12, 1331759), (13, 1229316), (22, 726414), (26, 614658), (33, 484276), (39, 409772), (44, 363207), (52, 307329), (66, 242138), (67, 238524), (78, 204886), (132, 121069), (134, 119262), (139, 114972), (143, 111756), (156, 102443), (201, 79508), (268, 59631), (278, 57486), (286, 55878), (402, 39754), (417, 38324), (429, 37252), (556, 28743), (572, 27939), (737, 21684), (804, 19877), (834, 19162), (858, 18626), (871, 18348), (1474, 10842), (1529, 10452), (1668, 9581), (1716, 9313), (1742, 9174), (1807, 8844), (2211, 7228), (2613, 6116), (2948, 5421), (3058, 5226), (3484, 4587), (3614, 4422)]