28911438

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 66781440

約数和(自身を除く): 37870002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 67, 122, 131, 134, 183, 201, 262, 366, 393, 402, 549, 603, 786, 1098, 1179, 1206, 1647, 1809, 2358, 3294, 3537, 3618, 4087, 7074, 7991, 8174, 8777, 12261, 15982, 17554, 23973, 24522, 26331, 36783, 47946, 52662, 71919, 73566, 78993, 110349, 143838, 157986, 215757, 220698, 236979, 431514, 473958, 535397, 1070794, 1606191, 3212382, 4818573, 9637146, 14455719, 28911438]

約数ペア:

[(1, 28911438), (2, 14455719), (3, 9637146), (6, 4818573), (9, 3212382), (18, 1606191), (27, 1070794), (54, 535397), (61, 473958), (67, 431514), (122, 236979), (131, 220698), (134, 215757), (183, 157986), (201, 143838), (262, 110349), (366, 78993), (393, 73566), (402, 71919), (549, 52662), (603, 47946), (786, 36783), (1098, 26331), (1179, 24522), (1206, 23973), (1647, 17554), (1809, 15982), (2358, 12261), (3294, 8777), (3537, 8174), (3618, 7991), (4087, 7074)]