31748860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 83063232

約数和(自身を除く): 51314372

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 653, 715, 748, 884, 935, 1105, 1306, 1430, 1870, 2210, 2431, 2612, 2860, 3265, 3740, 4420, 4862, 6530, 7183, 8489, 9724, 11101, 12155, 13060, 14366, 16978, 22202, 24310, 28732, 33956, 35915, 42445, 44404, 48620, 55505, 71830, 84890, 93379, 111010, 122111, 143660, 144313, 169780, 186758, 222020, 244222, 288626, 373516, 466895, 488444, 577252, 610555, 721565, 933790, 1221110, 1443130, 1587443, 1867580, 2442220, 2886260, 3174886, 6349772, 7937215, 15874430, 31748860]

約数ペア:

[(1, 31748860), (2, 15874430), (4, 7937215), (5, 6349772), (10, 3174886), (11, 2886260), (13, 2442220), (17, 1867580), (20, 1587443), (22, 1443130), (26, 1221110), (34, 933790), (44, 721565), (52, 610555), (55, 577252), (65, 488444), (68, 466895), (85, 373516), (110, 288626), (130, 244222), (143, 222020), (170, 186758), (187, 169780), (220, 144313), (221, 143660), (260, 122111), (286, 111010), (340, 93379), (374, 84890), (442, 71830), (572, 55505), (653, 48620), (715, 44404), (748, 42445), (884, 35915), (935, 33956), (1105, 28732), (1306, 24310), (1430, 22202), (1870, 16978), (2210, 14366), (2431, 13060), (2612, 12155), (2860, 11101), (3265, 9724), (3740, 8489), (4420, 7183), (4862, 6530)]