71989428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 196729344

約数和(自身を除く): 124739916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 191, 196, 294, 382, 573, 588, 641, 764, 1146, 1282, 1337, 1923, 2292, 2564, 2674, 3846, 4011, 4487, 5348, 7692, 8022, 8974, 9359, 13461, 16044, 17948, 18718, 26922, 28077, 31409, 37436, 53844, 56154, 62818, 94227, 112308, 122431, 125636, 188454, 244862, 367293, 376908, 489724, 734586, 857017, 1469172, 1714034, 2571051, 3428068, 5142102, 5999119, 10284204, 11998238, 17997357, 23996476, 35994714, 71989428]

約数ペア:

[(1, 71989428), (2, 35994714), (3, 23996476), (4, 17997357), (6, 11998238), (7, 10284204), (12, 5999119), (14, 5142102), (21, 3428068), (28, 2571051), (42, 1714034), (49, 1469172), (84, 857017), (98, 734586), (147, 489724), (191, 376908), (196, 367293), (294, 244862), (382, 188454), (573, 125636), (588, 122431), (641, 112308), (764, 94227), (1146, 62818), (1282, 56154), (1337, 53844), (1923, 37436), (2292, 31409), (2564, 28077), (2674, 26922), (3846, 18718), (4011, 17948), (4487, 16044), (5348, 13461), (7692, 9359), (8022, 8974)]