28665832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 61992000

約数和(自身を除く): 33326168

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 152, 163, 178, 247, 326, 356, 494, 652, 712, 988, 1157, 1304, 1691, 1976, 2119, 2314, 3097, 3382, 4238, 4628, 6194, 6764, 8476, 9256, 12388, 13528, 14507, 16952, 21983, 24776, 29014, 40261, 43966, 58028, 80522, 87932, 116056, 161044, 175864, 188591, 275633, 322088, 377182, 551266, 754364, 1102532, 1508728, 2205064, 3583229, 7166458, 14332916, 28665832]

約数ペア:

[(1, 28665832), (2, 14332916), (4, 7166458), (8, 3583229), (13, 2205064), (19, 1508728), (26, 1102532), (38, 754364), (52, 551266), (76, 377182), (89, 322088), (104, 275633), (152, 188591), (163, 175864), (178, 161044), (247, 116056), (326, 87932), (356, 80522), (494, 58028), (652, 43966), (712, 40261), (988, 29014), (1157, 24776), (1304, 21983), (1691, 16952), (1976, 14507), (2119, 13528), (2314, 12388), (3097, 9256), (3382, 8476), (4238, 6764), (4628, 6194)]