1644259712

素因数分解:

$2^7\times {\mathrm{197}}^2\times {\mathrm{331}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 3302332620

約数和(自身を除く): 1658072908

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 331, 394, 662, 788, 1324, 1576, 2648, 3152, 5296, 6304, 10592, 12608, 21184, 25216, 38809, 42368, 65207, 77618, 130414, 155236, 260828, 310472, 521656, 620944, 1043312, 1241888, 2086624, 2483776, 4173248, 4967552, 8346496, 12845779, 25691558, 51383116, 102766232, 205532464, 411064928, 822129856, 1644259712]

約数ペア:

[(1, 1644259712), (2, 822129856), (4, 411064928), (8, 205532464), (16, 102766232), (32, 51383116), (64, 25691558), (128, 12845779), (197, 8346496), (331, 4967552), (394, 4173248), (662, 2483776), (788, 2086624), (1324, 1241888), (1576, 1043312), (2648, 620944), (3152, 521656), (5296, 310472), (6304, 260828), (10592, 155236), (12608, 130414), (21184, 77618), (25216, 65207), (38809, 42368)]