688049388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{16519}}^1$

素因数の和:16631

約数の個数: 72

約数和(自身を含む): 1894183200

約数和(自身を除く): 1206133812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4628, 6942, 10413, 13884, 16519, 20826, 33038, 41652, 49557, 66076, 99114, 148671, 198228, 214747, 297342, 429494, 594684, 644241, 858988, 1288482, 1470191, 1932723, 2576964, 2940382, 3865446, 4410573, 5880764, 7730892, 8821146, 13231719, 17642292, 19112483, 26463438, 38224966, 52926876, 57337449, 76449932, 114674898, 172012347, 229349796, 344024694, 688049388]

約数ペア:

[(1, 688049388), (2, 344024694), (3, 229349796), (4, 172012347), (6, 114674898), (9, 76449932), (12, 57337449), (13, 52926876), (18, 38224966), (26, 26463438), (36, 19112483), (39, 17642292), (52, 13231719), (78, 8821146), (89, 7730892), (117, 5880764), (156, 4410573), (178, 3865446), (234, 2940382), (267, 2576964), (356, 1932723), (468, 1470191), (534, 1288482), (801, 858988), (1068, 644241), (1157, 594684), (1602, 429494), (2314, 297342), (3204, 214747), (3471, 198228), (4628, 148671), (6942, 99114), (10413, 66076), (13884, 49557), (16519, 41652), (20826, 33038)]