81272256

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32561}}^1$

素因数の和:32589

約数の個数: 56

約数和(自身を含む): 231580944

約数和(自身を除く): 150308688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 32561, 65122, 97683, 130244, 195366, 260488, 390732, 423293, 520976, 781464, 846586, 1041952, 1269879, 1562928, 1693172, 2083904, 2539758, 3125856, 3386344, 5079516, 6251712, 6772688, 10159032, 13545376, 20318064, 27090752, 40636128, 81272256]

約数ペア:

[(1, 81272256), (2, 40636128), (3, 27090752), (4, 20318064), (6, 13545376), (8, 10159032), (12, 6772688), (13, 6251712), (16, 5079516), (24, 3386344), (26, 3125856), (32, 2539758), (39, 2083904), (48, 1693172), (52, 1562928), (64, 1269879), (78, 1041952), (96, 846586), (104, 781464), (156, 520976), (192, 423293), (208, 390732), (312, 260488), (416, 195366), (624, 130244), (832, 97683), (1248, 65122), (2496, 32561)]