89611964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 184126320

約数和(自身を除く): 94514356

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 89, 134, 178, 221, 268, 289, 356, 442, 578, 871, 884, 1139, 1156, 1157, 1513, 1742, 2278, 2314, 3026, 3484, 3757, 4556, 4628, 5963, 6052, 7514, 11926, 14807, 15028, 19363, 19669, 23852, 25721, 29614, 38726, 39338, 51442, 59228, 77452, 77519, 78676, 101371, 102884, 155038, 202742, 251719, 310076, 334373, 405484, 503438, 668746, 1006876, 1317823, 1337492, 1723307, 2635646, 3446614, 5271292, 6893228, 22402991, 44805982, 89611964]

約数ペア:

[(1, 89611964), (2, 44805982), (4, 22402991), (13, 6893228), (17, 5271292), (26, 3446614), (34, 2635646), (52, 1723307), (67, 1337492), (68, 1317823), (89, 1006876), (134, 668746), (178, 503438), (221, 405484), (268, 334373), (289, 310076), (356, 251719), (442, 202742), (578, 155038), (871, 102884), (884, 101371), (1139, 78676), (1156, 77519), (1157, 77452), (1513, 59228), (1742, 51442), (2278, 39338), (2314, 38726), (3026, 29614), (3484, 25721), (3757, 23852), (4556, 19669), (4628, 19363), (5963, 15028), (6052, 14807), (7514, 11926)]