164641372

素因数分解:

$2^2\times 7^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 351375360

約数和(自身を除く): 186733988

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 196, 217, 316, 343, 434, 553, 686, 868, 1106, 1372, 1519, 2212, 2401, 2449, 3038, 3871, 4802, 4898, 6076, 7742, 9604, 9796, 10633, 15484, 16807, 17143, 21266, 27097, 33614, 34286, 42532, 54194, 67228, 68572, 74431, 108388, 120001, 148862, 189679, 240002, 297724, 379358, 480004, 521017, 758716, 840007, 1042034, 1327753, 1680014, 2084068, 2655506, 3360028, 5311012, 5880049, 11760098, 23520196, 41160343, 82320686, 164641372]

約数ペア:

[(1, 164641372), (2, 82320686), (4, 41160343), (7, 23520196), (14, 11760098), (28, 5880049), (31, 5311012), (49, 3360028), (62, 2655506), (79, 2084068), (98, 1680014), (124, 1327753), (158, 1042034), (196, 840007), (217, 758716), (316, 521017), (343, 480004), (434, 379358), (553, 297724), (686, 240002), (868, 189679), (1106, 148862), (1372, 120001), (1519, 108388), (2212, 74431), (2401, 68572), (2449, 67228), (3038, 54194), (3871, 42532), (4802, 34286), (4898, 33614), (6076, 27097), (7742, 21266), (9604, 17143), (9796, 16807), (10633, 15484)]