80491908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 219660672

約数和(自身を除く): 139168764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 367, 373, 588, 734, 746, 1101, 1119, 1468, 1492, 2202, 2238, 2569, 2611, 4404, 4476, 5138, 5222, 7707, 7833, 10276, 10444, 15414, 15666, 17983, 18277, 30828, 31332, 35966, 36554, 53949, 54831, 71932, 73108, 107898, 109662, 136891, 215796, 219324, 273782, 410673, 547564, 821346, 958237, 1642692, 1916474, 2874711, 3832948, 5749422, 6707659, 11498844, 13415318, 20122977, 26830636, 40245954, 80491908]

約数ペア:

[(1, 80491908), (2, 40245954), (3, 26830636), (4, 20122977), (6, 13415318), (7, 11498844), (12, 6707659), (14, 5749422), (21, 3832948), (28, 2874711), (42, 1916474), (49, 1642692), (84, 958237), (98, 821346), (147, 547564), (196, 410673), (294, 273782), (367, 219324), (373, 215796), (588, 136891), (734, 109662), (746, 107898), (1101, 73108), (1119, 71932), (1468, 54831), (1492, 53949), (2202, 36554), (2238, 35966), (2569, 31332), (2611, 30828), (4404, 18277), (4476, 17983), (5138, 15666), (5222, 15414), (7707, 10444), (7833, 10276)]