1994609835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 3673144800

約数和(自身を除く): 1678534965

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 199, 285, 361, 597, 617, 855, 995, 1083, 1791, 1805, 1851, 2985, 3085, 3249, 3781, 5415, 5553, 8955, 9255, 11343, 11723, 16245, 18905, 27765, 34029, 35169, 56715, 58615, 71839, 105507, 122783, 170145, 175845, 215517, 222737, 359195, 368349, 527535, 613915, 646551, 668211, 1077585, 1105047, 1113685, 1841745, 2004633, 2332877, 3232755, 3341055, 5525235, 6998631, 10023165, 11664385, 20995893, 34993155, 44324663, 104979465, 132973989, 221623315, 398921967, 664869945, 1994609835]

約数ペア:

[(1, 1994609835), (3, 664869945), (5, 398921967), (9, 221623315), (15, 132973989), (19, 104979465), (45, 44324663), (57, 34993155), (95, 20995893), (171, 11664385), (199, 10023165), (285, 6998631), (361, 5525235), (597, 3341055), (617, 3232755), (855, 2332877), (995, 2004633), (1083, 1841745), (1791, 1113685), (1805, 1105047), (1851, 1077585), (2985, 668211), (3085, 646551), (3249, 613915), (3781, 527535), (5415, 368349), (5553, 359195), (8955, 222737), (9255, 215517), (11343, 175845), (11723, 170145), (16245, 122783), (18905, 105507), (27765, 71839), (34029, 58615), (35169, 56715)]