253921304

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6581}}^1$

素因数の和:6660

約数の個数: 64

約数和(自身を含む): 597119040

約数和(自身を除く): 343197736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 1378, 1484, 2756, 2968, 4823, 5512, 6581, 9646, 13162, 19292, 26324, 38584, 46067, 52648, 85553, 92134, 171106, 184268, 342212, 348793, 368536, 598871, 684424, 697586, 1197742, 1395172, 2395484, 2441551, 2790344, 4534309, 4790968, 4883102, 9068618, 9766204, 18137236, 19532408, 31740163, 36274472, 63480326, 126960652, 253921304]

約数ペア:

[(1, 253921304), (2, 126960652), (4, 63480326), (7, 36274472), (8, 31740163), (13, 19532408), (14, 18137236), (26, 9766204), (28, 9068618), (52, 4883102), (53, 4790968), (56, 4534309), (91, 2790344), (104, 2441551), (106, 2395484), (182, 1395172), (212, 1197742), (364, 697586), (371, 684424), (424, 598871), (689, 368536), (728, 348793), (742, 342212), (1378, 184268), (1484, 171106), (2756, 92134), (2968, 85553), (4823, 52648), (5512, 46067), (6581, 38584), (9646, 26324), (13162, 19292)]