201521808

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 601675776

約数和(自身を除く): 400153968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 191, 204, 272, 306, 382, 408, 431, 573, 612, 764, 816, 862, 1146, 1224, 1293, 1528, 1719, 1724, 2292, 2448, 2586, 3056, 3247, 3438, 3448, 3879, 4584, 5172, 6494, 6876, 6896, 7327, 7758, 9168, 9741, 10344, 12988, 13752, 14654, 15516, 19482, 20688, 21981, 25976, 27504, 29223, 29308, 31032, 38964, 43962, 51952, 58446, 58616, 62064, 65943, 77928, 82321, 87924, 116892, 117232, 131886, 155856, 164642, 175848, 233784, 246963, 263772, 329284, 351696, 467568, 493926, 527544, 658568, 740889, 987852, 1055088, 1317136, 1399457, 1481778, 1975704, 2798914, 2963556, 3951408, 4198371, 5597828, 5927112, 8396742, 11195656, 11854224, 12595113, 16793484, 22391312, 25190226, 33586968, 50380452, 67173936, 100760904, 201521808]

約数ペア:

[(1, 201521808), (2, 100760904), (3, 67173936), (4, 50380452), (6, 33586968), (8, 25190226), (9, 22391312), (12, 16793484), (16, 12595113), (17, 11854224), (18, 11195656), (24, 8396742), (34, 5927112), (36, 5597828), (48, 4198371), (51, 3951408), (68, 2963556), (72, 2798914), (102, 1975704), (136, 1481778), (144, 1399457), (153, 1317136), (191, 1055088), (204, 987852), (272, 740889), (306, 658568), (382, 527544), (408, 493926), (431, 467568), (573, 351696), (612, 329284), (764, 263772), (816, 246963), (862, 233784), (1146, 175848), (1224, 164642), (1293, 155856), (1528, 131886), (1719, 117232), (1724, 116892), (2292, 87924), (2448, 82321), (2586, 77928), (3056, 65943), (3247, 62064), (3438, 58616), (3448, 58446), (3879, 51952), (4584, 43962), (5172, 38964), (6494, 31032), (6876, 29308), (6896, 29223), (7327, 27504), (7758, 25976), (9168, 21981), (9741, 20688), (10344, 19482), (12988, 15516), (13752, 14654)]