645261642

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{26417}}^1$

素因数の和:26507

約数の個数: 48

約数和(自身を含む): 1483634880

約数和(自身を除く): 838373238

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 59, 69, 118, 138, 177, 207, 354, 414, 531, 1062, 1357, 2714, 4071, 8142, 12213, 24426, 26417, 52834, 79251, 158502, 237753, 475506, 607591, 1215182, 1558603, 1822773, 3117206, 3645546, 4675809, 5468319, 9351618, 10936638, 14027427, 28054854, 35847869, 71695738, 107543607, 215087214, 322630821, 645261642]

約数ペア:

[(1, 645261642), (2, 322630821), (3, 215087214), (6, 107543607), (9, 71695738), (18, 35847869), (23, 28054854), (46, 14027427), (59, 10936638), (69, 9351618), (118, 5468319), (138, 4675809), (177, 3645546), (207, 3117206), (354, 1822773), (414, 1558603), (531, 1215182), (1062, 607591), (1357, 475506), (2714, 237753), (4071, 158502), (8142, 79251), (12213, 52834), (24426, 26417)]