277811690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 558526752

約数和(自身を除く): 280715062

約数列:

[1, 2, 5, 10, 13, 26, 53, 61, 65, 106, 122, 130, 265, 305, 530, 610, 661, 689, 793, 1322, 1378, 1586, 3233, 3305, 3445, 3965, 6466, 6610, 6890, 7930, 8593, 16165, 17186, 32330, 35033, 40321, 42029, 42965, 70066, 80642, 84058, 85930, 175165, 201605, 210145, 350330, 403210, 420290, 455429, 524173, 910858, 1048346, 2137013, 2277145, 2620865, 4274026, 4554290, 5241730, 10685065, 21370130, 27781169, 55562338, 138905845, 277811690]

約数ペア:

[(1, 277811690), (2, 138905845), (5, 55562338), (10, 27781169), (13, 21370130), (26, 10685065), (53, 5241730), (61, 4554290), (65, 4274026), (106, 2620865), (122, 2277145), (130, 2137013), (265, 1048346), (305, 910858), (530, 524173), (610, 455429), (661, 420290), (689, 403210), (793, 350330), (1322, 210145), (1378, 201605), (1586, 175165), (3233, 85930), (3305, 84058), (3445, 80642), (3965, 70066), (6466, 42965), (6610, 42029), (6890, 40321), (7930, 35033), (8593, 32330), (16165, 17186)]