201318228

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 523111680

約数和(自身を除く): 321793452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 79, 142, 158, 213, 237, 284, 316, 426, 474, 639, 711, 852, 948, 997, 1278, 1422, 1994, 2556, 2844, 2991, 3988, 5609, 5982, 8973, 11218, 11964, 16827, 17946, 22436, 33654, 35892, 50481, 67308, 70787, 78763, 100962, 141574, 157526, 201924, 212361, 236289, 283148, 315052, 424722, 472578, 637083, 708867, 849444, 945156, 1274166, 1417734, 2548332, 2835468, 5592173, 11184346, 16776519, 22368692, 33553038, 50329557, 67106076, 100659114, 201318228]

約数ペア:

[(1, 201318228), (2, 100659114), (3, 67106076), (4, 50329557), (6, 33553038), (9, 22368692), (12, 16776519), (18, 11184346), (36, 5592173), (71, 2835468), (79, 2548332), (142, 1417734), (158, 1274166), (213, 945156), (237, 849444), (284, 708867), (316, 637083), (426, 472578), (474, 424722), (639, 315052), (711, 283148), (852, 236289), (948, 212361), (997, 201924), (1278, 157526), (1422, 141574), (1994, 100962), (2556, 78763), (2844, 70787), (2991, 67308), (3988, 50481), (5609, 35892), (5982, 33654), (8973, 22436), (11218, 17946), (11964, 16827)]