1639128545275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{3527}}^1\times {\mathrm{3793}}^1$

素因数の和:7385

約数の個数: 72

約数和(自身を含む): 2278032634080

約数和(自身を除く): 638904088805

約数列:

[1, 5, 13, 25, 29, 65, 145, 169, 325, 377, 725, 845, 1885, 3527, 3793, 4225, 4901, 9425, 17635, 18965, 24505, 45851, 49309, 88175, 94825, 102283, 109997, 122525, 229255, 246545, 511415, 549985, 596063, 641017, 1146275, 1232725, 1329679, 1429961, 2557075, 2749925, 2980315, 3205085, 6648395, 7149805, 13377911, 14901575, 16025425, 17285827, 18589493, 33241975, 35749025, 66889555, 86429135, 92947465, 173912843, 334447775, 387959419, 432145675, 464737325, 869564215, 1939797095, 2260866959, 4347821075, 5043472447, 9698985475, 11304334795, 25217362235, 56521673975, 65565141811, 126086811175, 327825709055, 1639128545275]

約数ペア:

[(1, 1639128545275), (5, 327825709055), (13, 126086811175), (25, 65565141811), (29, 56521673975), (65, 25217362235), (145, 11304334795), (169, 9698985475), (325, 5043472447), (377, 4347821075), (725, 2260866959), (845, 1939797095), (1885, 869564215), (3527, 464737325), (3793, 432145675), (4225, 387959419), (4901, 334447775), (9425, 173912843), (17635, 92947465), (18965, 86429135), (24505, 66889555), (45851, 35749025), (49309, 33241975), (88175, 18589493), (94825, 17285827), (102283, 16025425), (109997, 14901575), (122525, 13377911), (229255, 7149805), (246545, 6648395), (511415, 3205085), (549985, 2980315), (596063, 2749925), (641017, 2557075), (1146275, 1429961), (1232725, 1329679)]