28277892

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 74023040

約数和(自身を除く): 45745148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 79, 122, 158, 163, 183, 237, 244, 316, 326, 366, 474, 489, 549, 652, 711, 732, 948, 978, 1098, 1422, 1467, 1956, 2196, 2844, 2934, 4819, 5868, 9638, 9943, 12877, 14457, 19276, 19886, 25754, 28914, 29829, 38631, 39772, 43371, 51508, 57828, 59658, 77262, 86742, 89487, 115893, 119316, 154524, 173484, 178974, 231786, 357948, 463572, 785497, 1570994, 2356491, 3141988, 4712982, 7069473, 9425964, 14138946, 28277892]

約数ペア:

[(1, 28277892), (2, 14138946), (3, 9425964), (4, 7069473), (6, 4712982), (9, 3141988), (12, 2356491), (18, 1570994), (36, 785497), (61, 463572), (79, 357948), (122, 231786), (158, 178974), (163, 173484), (183, 154524), (237, 119316), (244, 115893), (316, 89487), (326, 86742), (366, 77262), (474, 59658), (489, 57828), (549, 51508), (652, 43371), (711, 39772), (732, 38631), (948, 29829), (978, 28914), (1098, 25754), (1422, 19886), (1467, 19276), (1956, 14457), (2196, 12877), (2844, 9943), (2934, 9638), (4819, 5868)]