28778860665

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 52179323040

約数和(自身を除く): 23400462375

約数列:

[1, 3, 5, 9, 15, 37, 45, 89, 111, 157, 185, 267, 333, 445, 471, 555, 785, 801, 1237, 1335, 1413, 1665, 2355, 3293, 3711, 4005, 5809, 6185, 7065, 9879, 11133, 13973, 16465, 17427, 18555, 29045, 29637, 41919, 45769, 49395, 52281, 55665, 69865, 87135, 110093, 125757, 137307, 148185, 194209, 209595, 228845, 261405, 330279, 411921, 517001, 550465, 582627, 628785, 686535, 971045, 990837, 1551003, 1651395, 1747881, 2059605, 2585005, 2913135, 4073441, 4653009, 4954185, 7185733, 7755015, 8739405, 12220323, 17284601, 20367205, 21557199, 23265045, 35928665, 36660969, 51853803, 61101615, 64671597, 86423005, 107785995, 155561409, 183304845, 259269015, 323357985, 639530237, 777807045, 1918590711, 3197651185, 5755772133, 9592953555, 28778860665]

約数ペア:

[(1, 28778860665), (3, 9592953555), (5, 5755772133), (9, 3197651185), (15, 1918590711), (37, 777807045), (45, 639530237), (89, 323357985), (111, 259269015), (157, 183304845), (185, 155561409), (267, 107785995), (333, 86423005), (445, 64671597), (471, 61101615), (555, 51853803), (785, 36660969), (801, 35928665), (1237, 23265045), (1335, 21557199), (1413, 20367205), (1665, 17284601), (2355, 12220323), (3293, 8739405), (3711, 7755015), (4005, 7185733), (5809, 4954185), (6185, 4653009), (7065, 4073441), (9879, 2913135), (11133, 2585005), (13973, 2059605), (16465, 1747881), (17427, 1651395), (18555, 1551003), (29045, 990837), (29637, 971045), (41919, 686535), (45769, 628785), (49395, 582627), (52281, 550465), (55665, 517001), (69865, 411921), (87135, 330279), (110093, 261405), (125757, 228845), (137307, 209595), (148185, 194209)]