25454988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 70070000

約数和(自身を除く): 44615012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 499, 654, 981, 998, 1308, 1417, 1497, 1962, 1996, 2834, 2994, 3924, 4251, 4491, 5668, 5988, 6487, 8502, 8982, 12753, 12974, 17004, 17964, 19461, 25506, 25948, 38922, 51012, 54391, 58383, 77844, 108782, 116766, 163173, 217564, 233532, 326346, 489519, 652692, 707083, 979038, 1414166, 1958076, 2121249, 2828332, 4242498, 6363747, 8484996, 12727494, 25454988]

約数ペア:

[(1, 25454988), (2, 12727494), (3, 8484996), (4, 6363747), (6, 4242498), (9, 2828332), (12, 2121249), (13, 1958076), (18, 1414166), (26, 979038), (36, 707083), (39, 652692), (52, 489519), (78, 326346), (109, 233532), (117, 217564), (156, 163173), (218, 116766), (234, 108782), (327, 77844), (436, 58383), (468, 54391), (499, 51012), (654, 38922), (981, 25948), (998, 25506), (1308, 19461), (1417, 17964), (1497, 17004), (1962, 12974), (1996, 12753), (2834, 8982), (2994, 8502), (3924, 6487), (4251, 5988), (4491, 5668)]