1639442990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 3177086976

約数和(自身を除く): 1537643986

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 383, 503, 766, 851, 1006, 1702, 1915, 2515, 3830, 4255, 5030, 8510, 8809, 11569, 14171, 17618, 18611, 23138, 28342, 37222, 44045, 57845, 70855, 88090, 93055, 115690, 141710, 186110, 192649, 325933, 385298, 428053, 651866, 856106, 963245, 1629665, 1926490, 2140265, 3259330, 4280530, 4430927, 7128013, 8861854, 14256026, 22154635, 35640065, 44309270, 71280130, 163944299, 327888598, 819721495, 1639442990]

約数ペア:

[(1, 1639442990), (2, 819721495), (5, 327888598), (10, 163944299), (23, 71280130), (37, 44309270), (46, 35640065), (74, 22154635), (115, 14256026), (185, 8861854), (230, 7128013), (370, 4430927), (383, 4280530), (503, 3259330), (766, 2140265), (851, 1926490), (1006, 1629665), (1702, 963245), (1915, 856106), (2515, 651866), (3830, 428053), (4255, 385298), (5030, 325933), (8510, 192649), (8809, 186110), (11569, 141710), (14171, 115690), (17618, 93055), (18611, 88090), (23138, 70855), (28342, 57845), (37222, 44045)]