31872984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 96526080

約数和(自身を除く): 64653096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 37, 39, 44, 52, 66, 74, 78, 88, 104, 111, 132, 143, 148, 156, 222, 251, 264, 286, 296, 312, 407, 429, 444, 481, 502, 572, 753, 814, 858, 888, 962, 1004, 1144, 1221, 1443, 1506, 1628, 1716, 1924, 2008, 2442, 2761, 2886, 3012, 3256, 3263, 3432, 3848, 4884, 5291, 5522, 5772, 6024, 6526, 8283, 9287, 9768, 9789, 10582, 11044, 11544, 13052, 15873, 16566, 18574, 19578, 21164, 22088, 26104, 27861, 31746, 33132, 35893, 37148, 39156, 42328, 55722, 63492, 66264, 71786, 74296, 78312, 102157, 107679, 111444, 120731, 126984, 143572, 204314, 215358, 222888, 241462, 287144, 306471, 362193, 408628, 430716, 482924, 612942, 724386, 817256, 861432, 965848, 1225884, 1328041, 1448772, 2451768, 2656082, 2897544, 3984123, 5312164, 7968246, 10624328, 15936492, 31872984]

約数ペア:

[(1, 31872984), (2, 15936492), (3, 10624328), (4, 7968246), (6, 5312164), (8, 3984123), (11, 2897544), (12, 2656082), (13, 2451768), (22, 1448772), (24, 1328041), (26, 1225884), (33, 965848), (37, 861432), (39, 817256), (44, 724386), (52, 612942), (66, 482924), (74, 430716), (78, 408628), (88, 362193), (104, 306471), (111, 287144), (132, 241462), (143, 222888), (148, 215358), (156, 204314), (222, 143572), (251, 126984), (264, 120731), (286, 111444), (296, 107679), (312, 102157), (407, 78312), (429, 74296), (444, 71786), (481, 66264), (502, 63492), (572, 55722), (753, 42328), (814, 39156), (858, 37148), (888, 35893), (962, 33132), (1004, 31746), (1144, 27861), (1221, 26104), (1443, 22088), (1506, 21164), (1628, 19578), (1716, 18574), (1924, 16566), (2008, 15873), (2442, 13052), (2761, 11544), (2886, 11044), (3012, 10582), (3256, 9789), (3263, 9768), (3432, 9287), (3848, 8283), (4884, 6526), (5291, 6024), (5522, 5772)]