31995088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 39250352

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 41, 68, 76, 82, 136, 151, 152, 164, 272, 302, 304, 323, 328, 604, 646, 656, 697, 779, 1208, 1292, 1394, 1558, 2416, 2567, 2584, 2788, 2869, 3116, 5134, 5168, 5576, 5738, 6191, 6232, 10268, 11152, 11476, 12382, 12464, 13243, 20536, 22952, 24764, 26486, 41072, 45904, 48773, 49528, 52972, 97546, 99056, 105247, 105944, 117629, 195092, 210494, 211888, 235258, 390184, 420988, 470516, 780368, 841976, 941032, 1683952, 1882064, 1999693, 3999386, 7998772, 15997544, 31995088]

約数ペア:

[(1, 31995088), (2, 15997544), (4, 7998772), (8, 3999386), (16, 1999693), (17, 1882064), (19, 1683952), (34, 941032), (38, 841976), (41, 780368), (68, 470516), (76, 420988), (82, 390184), (136, 235258), (151, 211888), (152, 210494), (164, 195092), (272, 117629), (302, 105944), (304, 105247), (323, 99056), (328, 97546), (604, 52972), (646, 49528), (656, 48773), (697, 45904), (779, 41072), (1208, 26486), (1292, 24764), (1394, 22952), (1558, 20536), (2416, 13243), (2567, 12464), (2584, 12382), (2788, 11476), (2869, 11152), (3116, 10268), (5134, 6232), (5168, 6191), (5576, 5738)]