7872738.00000000

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 115958304

約数和(自身を除く): 58315316

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 197, 221, 331, 394, 442, 662, 788, 884, 1324, 2561, 3349, 4303, 5122, 5627, 6698, 8606, 10244, 11254, 13396, 17212, 22508, 43537, 65207, 73151, 87074, 130414, 146302, 174148, 260828, 292604, 847691, 1108519, 1695382, 2217038, 3390764, 4434076, 14410747, 28821494, 57642988]

約数ペア:

[(1, 57642988), (2, 28821494), (4, 14410747), (13, 4434076), (17, 3390764), (26, 2217038), (34, 1695382), (52, 1108519), (68, 847691), (197, 292604), (221, 260828), (331, 174148), (394, 146302), (442, 130414), (662, 87074), (788, 73151), (884, 65207), (1324, 43537), (2561, 22508), (3349, 17212), (4303, 13396), (5122, 11254), (5627, 10244), (6698, 8606)]