253159578

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 676076544

約数和(自身を除く): 422916966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 47, 49, 62, 63, 93, 94, 98, 126, 141, 147, 186, 197, 217, 279, 282, 294, 329, 394, 423, 434, 441, 558, 591, 651, 658, 846, 882, 987, 1182, 1302, 1379, 1457, 1519, 1773, 1953, 1974, 2303, 2758, 2914, 2961, 3038, 3546, 3906, 4137, 4371, 4557, 4606, 5922, 6107, 6909, 8274, 8742, 9114, 9259, 9653, 10199, 12214, 12411, 13113, 13671, 13818, 18321, 18518, 19306, 20398, 20727, 24822, 26226, 27342, 27777, 28959, 30597, 36642, 41454, 42749, 54963, 55554, 57918, 61194, 64813, 71393, 83331, 85498, 86877, 91791, 109926, 128247, 129626, 142786, 166662, 173754, 183582, 194439, 214179, 256494, 287029, 299243, 384741, 388878, 428358, 453691, 574058, 583317, 598486, 642537, 769482, 861087, 897729, 907382, 1166634, 1285074, 1361073, 1722174, 1795458, 2009203, 2583261, 2693187, 2722146, 4018406, 4083219, 5166522, 5386374, 6027609, 8166438, 12055218, 14064421, 18082827, 28128842, 36165654, 42193263, 84386526, 126579789, 253159578]

約数ペア:

[(1, 253159578), (2, 126579789), (3, 84386526), (6, 42193263), (7, 36165654), (9, 28128842), (14, 18082827), (18, 14064421), (21, 12055218), (31, 8166438), (42, 6027609), (47, 5386374), (49, 5166522), (62, 4083219), (63, 4018406), (93, 2722146), (94, 2693187), (98, 2583261), (126, 2009203), (141, 1795458), (147, 1722174), (186, 1361073), (197, 1285074), (217, 1166634), (279, 907382), (282, 897729), (294, 861087), (329, 769482), (394, 642537), (423, 598486), (434, 583317), (441, 574058), (558, 453691), (591, 428358), (651, 388878), (658, 384741), (846, 299243), (882, 287029), (987, 256494), (1182, 214179), (1302, 194439), (1379, 183582), (1457, 173754), (1519, 166662), (1773, 142786), (1953, 129626), (1974, 128247), (2303, 109926), (2758, 91791), (2914, 86877), (2961, 85498), (3038, 83331), (3546, 71393), (3906, 64813), (4137, 61194), (4371, 57918), (4557, 55554), (4606, 54963), (5922, 42749), (6107, 41454), (6909, 36642), (8274, 30597), (8742, 28959), (9114, 27777), (9259, 27342), (9653, 26226), (10199, 24822), (12214, 20727), (12411, 20398), (13113, 19306), (13671, 18518), (13818, 18321)]