87890704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 107096816

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 89, 124, 176, 178, 181, 248, 341, 356, 362, 496, 682, 712, 724, 979, 1364, 1424, 1448, 1958, 1991, 2728, 2759, 2896, 3916, 3982, 5456, 5518, 5611, 7832, 7964, 11036, 11222, 15664, 15928, 16109, 22072, 22444, 30349, 31856, 32218, 44144, 44888, 60698, 61721, 64436, 89776, 121396, 123442, 128872, 177199, 242792, 246884, 257744, 354398, 485584, 493768, 499379, 708796, 987536, 998758, 1417592, 1997516, 2835184, 3995032, 5493169, 7990064, 10986338, 21972676, 43945352, 87890704]

約数ペア:

[(1, 87890704), (2, 43945352), (4, 21972676), (8, 10986338), (11, 7990064), (16, 5493169), (22, 3995032), (31, 2835184), (44, 1997516), (62, 1417592), (88, 998758), (89, 987536), (124, 708796), (176, 499379), (178, 493768), (181, 485584), (248, 354398), (341, 257744), (356, 246884), (362, 242792), (496, 177199), (682, 128872), (712, 123442), (724, 121396), (979, 89776), (1364, 64436), (1424, 61721), (1448, 60698), (1958, 44888), (1991, 44144), (2728, 32218), (2759, 31856), (2896, 30349), (3916, 22444), (3982, 22072), (5456, 16109), (5518, 15928), (5611, 15664), (7832, 11222), (7964, 11036)]