31978884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 87786048

約数和(自身を除く): 55807164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 79, 84, 122, 158, 183, 237, 244, 316, 366, 427, 474, 553, 732, 854, 948, 1106, 1281, 1659, 1708, 2212, 2562, 3318, 4819, 5124, 6241, 6636, 9638, 12482, 14457, 18723, 19276, 24964, 28914, 33733, 37446, 43687, 57828, 67466, 74892, 87374, 101199, 131061, 134932, 174748, 202398, 262122, 380701, 404796, 524244, 761402, 1142103, 1522804, 2284206, 2664907, 4568412, 5329814, 7994721, 10659628, 15989442, 31978884]

約数ペア:

[(1, 31978884), (2, 15989442), (3, 10659628), (4, 7994721), (6, 5329814), (7, 4568412), (12, 2664907), (14, 2284206), (21, 1522804), (28, 1142103), (42, 761402), (61, 524244), (79, 404796), (84, 380701), (122, 262122), (158, 202398), (183, 174748), (237, 134932), (244, 131061), (316, 101199), (366, 87374), (427, 74892), (474, 67466), (553, 57828), (732, 43687), (854, 37446), (948, 33733), (1106, 28914), (1281, 24964), (1659, 19276), (1708, 18723), (2212, 14457), (2562, 12482), (3318, 9638), (4819, 6636), (5124, 6241)]