3988895984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 8151264000

約数和(自身を除く): 4162368016

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 109, 124, 178, 218, 248, 356, 436, 496, 712, 829, 872, 1424, 1658, 1744, 2759, 3316, 3379, 5518, 6632, 6758, 9701, 11036, 13264, 13516, 19402, 22072, 25699, 27032, 38804, 44144, 51398, 54064, 73781, 77608, 90361, 102796, 147562, 155216, 180722, 205592, 295124, 300731, 361444, 411184, 590248, 601462, 722888, 1180496, 1202924, 1445776, 2287211, 2405848, 2801191, 4574422, 4811696, 5602382, 8042129, 9148844, 11204764, 16084258, 18297688, 22409528, 32168516, 36595376, 44819056, 64337032, 128674064, 249305999, 498611998, 997223996, 1994447992, 3988895984]

約数ペア:

[(1, 3988895984), (2, 1994447992), (4, 997223996), (8, 498611998), (16, 249305999), (31, 128674064), (62, 64337032), (89, 44819056), (109, 36595376), (124, 32168516), (178, 22409528), (218, 18297688), (248, 16084258), (356, 11204764), (436, 9148844), (496, 8042129), (712, 5602382), (829, 4811696), (872, 4574422), (1424, 2801191), (1658, 2405848), (1744, 2287211), (2759, 1445776), (3316, 1202924), (3379, 1180496), (5518, 722888), (6632, 601462), (6758, 590248), (9701, 411184), (11036, 361444), (13264, 300731), (13516, 295124), (19402, 205592), (22072, 180722), (25699, 155216), (27032, 147562), (38804, 102796), (44144, 90361), (51398, 77608), (54064, 73781)]