87891972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1101

約数の個数: 96

約数和(自身を含む): 252483840

約数和(自身を除く): 164591868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 61, 68, 84, 102, 119, 122, 183, 204, 238, 244, 357, 366, 427, 476, 714, 732, 854, 1009, 1037, 1281, 1428, 1708, 2018, 2074, 2562, 3027, 3111, 4036, 4148, 5124, 6054, 6222, 7063, 7259, 12108, 12444, 14126, 14518, 17153, 21189, 21777, 28252, 29036, 34306, 42378, 43554, 51459, 61549, 68612, 84756, 87108, 102918, 120071, 123098, 184647, 205836, 240142, 246196, 360213, 369294, 430843, 480284, 720426, 738588, 861686, 1046333, 1292529, 1440852, 1723372, 2092666, 2585058, 3138999, 4185332, 5170116, 6277998, 7324331, 12555996, 14648662, 21972993, 29297324, 43945986, 87891972]

約数ペア:

[(1, 87891972), (2, 43945986), (3, 29297324), (4, 21972993), (6, 14648662), (7, 12555996), (12, 7324331), (14, 6277998), (17, 5170116), (21, 4185332), (28, 3138999), (34, 2585058), (42, 2092666), (51, 1723372), (61, 1440852), (68, 1292529), (84, 1046333), (102, 861686), (119, 738588), (122, 720426), (183, 480284), (204, 430843), (238, 369294), (244, 360213), (357, 246196), (366, 240142), (427, 205836), (476, 184647), (714, 123098), (732, 120071), (854, 102918), (1009, 87108), (1037, 84756), (1281, 68612), (1428, 61549), (1708, 51459), (2018, 43554), (2074, 42378), (2562, 34306), (3027, 29036), (3111, 28252), (4036, 21777), (4148, 21189), (5124, 17153), (6054, 14518), (6222, 14126), (7063, 12444), (7259, 12108)]