28971828

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 46856652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 79, 122, 158, 167, 183, 237, 244, 316, 334, 366, 474, 501, 549, 668, 711, 732, 948, 1002, 1098, 1422, 1503, 2004, 2196, 2844, 3006, 4819, 6012, 9638, 10187, 13193, 14457, 19276, 20374, 26386, 28914, 30561, 39579, 40748, 43371, 52772, 57828, 61122, 79158, 86742, 91683, 118737, 122244, 158316, 173484, 183366, 237474, 366732, 474948, 804773, 1609546, 2414319, 3219092, 4828638, 7242957, 9657276, 14485914, 28971828]

約数ペア:

[(1, 28971828), (2, 14485914), (3, 9657276), (4, 7242957), (6, 4828638), (9, 3219092), (12, 2414319), (18, 1609546), (36, 804773), (61, 474948), (79, 366732), (122, 237474), (158, 183366), (167, 173484), (183, 158316), (237, 122244), (244, 118737), (316, 91683), (334, 86742), (366, 79158), (474, 61122), (501, 57828), (549, 52772), (668, 43371), (711, 40748), (732, 39579), (948, 30561), (1002, 28914), (1098, 26386), (1422, 20374), (1503, 19276), (2004, 14457), (2196, 13193), (2844, 10187), (3006, 9638), (4819, 6012)]