55681990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 126314496

約数和(自身を除く): 70632506

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1423, 1505, 2795, 2846, 3010, 3913, 5590, 7115, 7826, 9961, 14230, 18499, 19565, 19922, 36998, 39130, 49805, 61189, 92495, 99610, 122378, 129493, 184990, 258986, 305945, 428323, 611890, 647465, 795457, 856646, 1294930, 1590914, 2141615, 3977285, 4283230, 5568199, 7954570, 11136398, 27840995, 55681990]

約数ペア:

[(1, 55681990), (2, 27840995), (5, 11136398), (7, 7954570), (10, 5568199), (13, 4283230), (14, 3977285), (26, 2141615), (35, 1590914), (43, 1294930), (65, 856646), (70, 795457), (86, 647465), (91, 611890), (130, 428323), (182, 305945), (215, 258986), (301, 184990), (430, 129493), (455, 122378), (559, 99610), (602, 92495), (910, 61189), (1118, 49805), (1423, 39130), (1505, 36998), (2795, 19922), (2846, 19565), (3010, 18499), (3913, 14230), (5590, 9961), (7115, 7826)]