7715890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 17498880

約数和(自身を除く): 9782990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 139, 182, 278, 305, 427, 455, 610, 695, 793, 854, 910, 973, 1390, 1586, 1807, 1946, 2135, 3614, 3965, 4270, 4865, 5551, 7930, 8479, 9035, 9730, 11102, 12649, 16958, 18070, 25298, 27755, 42395, 55510, 59353, 63245, 84790, 110227, 118706, 126490, 220454, 296765, 551135, 593530, 771589, 1102270, 1543178, 3857945, 7715890]

約数ペア:

[(1, 7715890), (2, 3857945), (5, 1543178), (7, 1102270), (10, 771589), (13, 593530), (14, 551135), (26, 296765), (35, 220454), (61, 126490), (65, 118706), (70, 110227), (91, 84790), (122, 63245), (130, 59353), (139, 55510), (182, 42395), (278, 27755), (305, 25298), (427, 18070), (455, 16958), (610, 12649), (695, 11102), (793, 9730), (854, 9035), (910, 8479), (973, 7930), (1390, 5551), (1586, 4865), (1807, 4270), (1946, 3965), (2135, 3614)]