291213390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12241}}^1$

素因数の和:12325

約数の個数: 64

約数和(自身を含む): 765076032

約数和(自身を除く): 473862642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1586, 1830, 2379, 3965, 4758, 7930, 11895, 12241, 23790, 24482, 36723, 61205, 73446, 122410, 159133, 183615, 318266, 367230, 477399, 746701, 795665, 954798, 1493402, 1591330, 2240103, 2386995, 3733505, 4480206, 4773990, 7467010, 9707113, 11200515, 19414226, 22401030, 29121339, 48535565, 58242678, 97071130, 145606695, 291213390]

約数ペア:

[(1, 291213390), (2, 145606695), (3, 97071130), (5, 58242678), (6, 48535565), (10, 29121339), (13, 22401030), (15, 19414226), (26, 11200515), (30, 9707113), (39, 7467010), (61, 4773990), (65, 4480206), (78, 3733505), (122, 2386995), (130, 2240103), (183, 1591330), (195, 1493402), (305, 954798), (366, 795665), (390, 746701), (610, 477399), (793, 367230), (915, 318266), (1586, 183615), (1830, 159133), (2379, 122410), (3965, 73446), (4758, 61205), (7930, 36723), (11895, 24482), (12241, 23790)]