72451218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 175703040

約数和(自身を除く): 103251822

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 163, 266, 326, 399, 489, 557, 798, 978, 1114, 1141, 1671, 2282, 3097, 3342, 3423, 3899, 6194, 6846, 7798, 9291, 10583, 11697, 18582, 21166, 21679, 23394, 31749, 43358, 63498, 65037, 74081, 90791, 130074, 148162, 181582, 222243, 272373, 444486, 544746, 635537, 1271074, 1725029, 1906611, 3450058, 3813222, 5175087, 10350174, 12075203, 24150406, 36225609, 72451218]

約数ペア:

[(1, 72451218), (2, 36225609), (3, 24150406), (6, 12075203), (7, 10350174), (14, 5175087), (19, 3813222), (21, 3450058), (38, 1906611), (42, 1725029), (57, 1271074), (114, 635537), (133, 544746), (163, 444486), (266, 272373), (326, 222243), (399, 181582), (489, 148162), (557, 130074), (798, 90791), (978, 74081), (1114, 65037), (1141, 63498), (1671, 43358), (2282, 31749), (3097, 23394), (3342, 21679), (3423, 21166), (3899, 18582), (6194, 11697), (6846, 10583), (7798, 9291)]