28290848

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 61447680

約数和(自身を除く): 33156832

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 79, 124, 152, 158, 248, 304, 316, 361, 496, 589, 608, 632, 722, 992, 1178, 1264, 1444, 1501, 2356, 2449, 2528, 2888, 3002, 4712, 4898, 5776, 6004, 9424, 9796, 11191, 11552, 12008, 18848, 19592, 22382, 24016, 28519, 39184, 44764, 46531, 48032, 57038, 78368, 89528, 93062, 114076, 179056, 186124, 228152, 358112, 372248, 456304, 744496, 884089, 912608, 1488992, 1768178, 3536356, 7072712, 14145424, 28290848]

約数ペア:

[(1, 28290848), (2, 14145424), (4, 7072712), (8, 3536356), (16, 1768178), (19, 1488992), (31, 912608), (32, 884089), (38, 744496), (62, 456304), (76, 372248), (79, 358112), (124, 228152), (152, 186124), (158, 179056), (248, 114076), (304, 93062), (316, 89528), (361, 78368), (496, 57038), (589, 48032), (608, 46531), (632, 44764), (722, 39184), (992, 28519), (1178, 24016), (1264, 22382), (1444, 19592), (1501, 18848), (2356, 12008), (2449, 11552), (2528, 11191), (2888, 9796), (3002, 9424), (4712, 6004), (4898, 5776)]