28507830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1181

約数の個数: 64

約数和(自身を含む): 74850048

約数和(自身を除く): 46342218

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1091, 1742, 2010, 2182, 2613, 3273, 4355, 5226, 5455, 6546, 8710, 10910, 13065, 14183, 16365, 26130, 28366, 32730, 42549, 70915, 73097, 85098, 141830, 146194, 212745, 219291, 365485, 425490, 438582, 730970, 950261, 1096455, 1900522, 2192910, 2850783, 4751305, 5701566, 9502610, 14253915, 28507830]

約数ペア:

[(1, 28507830), (2, 14253915), (3, 9502610), (5, 5701566), (6, 4751305), (10, 2850783), (13, 2192910), (15, 1900522), (26, 1096455), (30, 950261), (39, 730970), (65, 438582), (67, 425490), (78, 365485), (130, 219291), (134, 212745), (195, 146194), (201, 141830), (335, 85098), (390, 73097), (402, 70915), (670, 42549), (871, 32730), (1005, 28366), (1091, 26130), (1742, 16365), (2010, 14183), (2182, 13065), (2613, 10910), (3273, 8710), (4355, 6546), (5226, 5455)]